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/*
* Copyright 2002-2017 Drew Noakes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* More information about this project is available at:
*
* https://drewnoakes.com/code/exif/
* https://github.com/drewnoakes/metadata-extractor
*/
package com.drew.metadata;
import com.drew.lang.annotations.NotNull;
import com.drew.lang.annotations.Nullable;
/**
* Represents an age in years, months, days, hours, minutes and seconds.
* <p>
* Used by certain Panasonic cameras which have face recognition features.
*
* @author Drew Noakes https://drewnoakes.com
*/
public class Age
{
private final int _years;
private final int _months;
private final int _days;
private final int _hours;
private final int _minutes;
private final int _seconds;
/**
* Parses an age object from the string format used by Panasonic cameras:
* <code>0031:07:15 00:00:00</code>
*
* @param s The String in format <code>0031:07:15 00:00:00</code>.
* @return The parsed Age object, or null if the value could not be parsed
*/
@Nullable
public static Age fromPanasonicString(@NotNull String s)
{
if (s.length() != 19 || s.startsWith("9999:99:99"))
return null;
try {
int years = Integer.parseInt(s.substring(0, 4));
int months = Integer.parseInt(s.substring(5, 7));
int days = Integer.parseInt(s.substring(8, 10));
int hours = Integer.parseInt(s.substring(11, 13));
int minutes = Integer.parseInt(s.substring(14, 16));
int seconds = Integer.parseInt(s.substring(17, 19));
return new Age(years, months, days, hours, minutes, seconds);
}
catch (NumberFormatException ignored)
{
return null;
}
}
public Age(int years, int months, int days, int hours, int minutes, int seconds)
{
_years = years;
_months = months;
_days = days;
_hours = hours;
_minutes = minutes;
_seconds = seconds;
}
public int getYears()
{
return _years;
}
public int getMonths()
{
return _months;
}
public int getDays()
{
return _days;
}
public int getHours()
{
return _hours;
}
public int getMinutes()
{
return _minutes;
}
public int getSeconds()
{
return _seconds;
}
@Override
public String toString()
{
return String.format("%04d:%02d:%02d %02d:%02d:%02d", _years, _months, _days, _hours, _minutes, _seconds);
}
public String toFriendlyString()
{
StringBuilder result = new StringBuilder();
appendAgePart(result, _years, "year");
appendAgePart(result, _months, "month");
appendAgePart(result, _days, "day");
appendAgePart(result, _hours, "hour");
appendAgePart(result, _minutes, "minute");
appendAgePart(result, _seconds, "second");
return result.toString();
}
private static void appendAgePart(StringBuilder result, final int num, final String singularName)
{
if (num == 0)
return;
if (result.length()!=0)
result.append(' ');
result.append(num).append(' ').append(singularName);
if (num != 1)
result.append('s');
}
@Override
public boolean equals(@Nullable Object o)
{
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Age age = (Age)o;
if (_days != age._days) return false;
if (_hours != age._hours) return false;
if (_minutes != age._minutes) return false;
if (_months != age._months) return false;
if (_seconds != age._seconds) return false;
if (_years != age._years) return false;
return true;
}
@Override
public int hashCode()
{
int result = _years;
result = 31 * result + _months;
result = 31 * result + _days;
result = 31 * result + _hours;
result = 31 * result + _minutes;
result = 31 * result + _seconds;
return result;
}
}
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